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**jacobian matrix with 2 variables please help!**

## Homework Statement

so we have z=x^2+x^3 and z=y+sin(x). Find the jacobian matrix of this system. Find the determinant of this jacobian.

## The Attempt at a Solution

The determinant part is easy, the only problem is trying to set this up. I'm not sure where to start. I think I need to take partial derivatives...do we do like dz/dx and dz/dy and just put them into matrix? please help